Pilt:Maar USGS.jpg

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Photograph by R. Russell on 6 April 1977 Alaska Department of Fish and Game

Eruption column generated by phreatic and magmatic explosions rises from the larger east maar.

Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy

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